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Explainer · October sky

Halley's dust

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Halley's dust

Shooting stars are dust grains from Halley's comet that burn up high in the air. Earth meets its dust trail every year in May and around 21 October.

Chapter 1 · A comet loses dust

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Halley's dust

Astronomy · Shooting stars

NewOct 18, 2026 · 4 chapters

An explainer film in four chapters on the Orionids: where the dust for shooting stars comes from, why they come at the same time every year, how a tiny grain can glow so brightly, and where and when to look. Pause anywhere and ask.

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